These resources are freely and openly available under a CC licence and can be downloaded from Humbox (use DHOER for a keyword search).

Open Educational Resources (OER) repositoriesJorum freely available OERs all with CC licences; content from the UK further and higher education community.
HumBox storing, managing and publishing Humanities teaching resources on the web.

Perseus Digital Library: Navigate to the work via the Collections; in some instances, the exact title or Perseus title of a specific work may be unknown. The best way to browse through the works in Perseus is through the Collections.

Hestia:
Search the text (for placenames), view Herodotus in Google Earth, or read through the text with the NarrativeMap.